@article{article4631ecce, title = {Nonuniversal critical behavior at the uniaxial-biaxial nematic phase transition in a lyotropic mixture}, author = {Thieghi, Leila Thomazelli and Shibli, S M and Figueiredo Neto, Antônio Martins and Dmitriev, V P}, year = {1998}, journal = {Physical Review Letters} }